. and somehow it will convert that to energy and even surplus energy to the battery. >> self sustaining. >> how does it know what his car car bridge and was not? >> i was able to use artificial intelligence. >> one man's trash is another man's treasure. and somebody could say stuff i was saving that. >> but this is part of the plan. half it is lovely, and how exciting for you was this? >> i was very surprised. >> 10-15 kids. it >> correct. >> this was a competition that was for the kids to to be chosen to open the exhibit. we chose three different groups, three different inventions for exhibition. and on this ongoing basis we have an invention the station. at the exhibit when visitors, they can draw their own inventions, their own greed the machines in submit those. in the first 10 days we have received 300 submissions. on a monthly basis we will use those for a drawing but for jack, we will actually be putting it on exhibition it is a very exciting way for us to interact. >> that is fantastic. jack, how long have you been thinking about doing this? >> the idea was fresh. perhaps the same week.